Letter, 28 July 1925, Edinburgh, Charles Guthrie to Annie Friedberg. Covering note for some press cuttings which Guthrie suggests may be used in. Holograph signed.

Letter, 29 January 1929, Surrey, Robert Trevelyan to Charles Guthrie Esq.. Discussion of the performance of the opera and the financial and legal considerations. Typescript copy.

Letter, 30 April 1929, London, H. Middleton to Charles Guthrie. Discussing the success of ' The Bride of Dionysus' and Tovey's greatness. Ms. Transcript.

Letter, 14 March 1929, London, H. W. Elliot to Charles Guthrie. Covering note for an estimate from Charles Ricketts. Typescript copy.

Letter, 9 August 1939, Edinburgh, Charles Guthrie to Mrs. Lumsden. Concerning the theft of three wigs. Typescript copy.

Letter, 19 November 1945, Edinburgh, Charles Guthrie to Oxford University Press. Discussing Grierson's plans to produce a biography of Tovey and suggesting that a representative from Oxford University Press be sent to see her. Typescript copy.

Letter, 23 January 1929, Edinburgh, Charles Guthrie to R. C. Trevelyan. Discussion of the draft agreement with The Edinburgh Opera Comapny for the production of 'The Bride of Dionysus '. Typescript signed.

Letter, 21 February 1929, Edinburgh, Charles Guthrie to R. C. Trevelyan. Requesting that Trevelyan sign the agreement between the Edinburgh Opera Company, himself and Tovey, concerning ' The Bride of Dionysus '. Typescript signed.

Letter, 2 February 1929, Edinburgh, Charles Guthrie to Robert Trevelyan. Discussion of the contract between Tovey, Trevelyan and the Edinburgh Opera Company. Typescript signed.

Letter, 25 February 1929, Edinburgh, Charles Guthrie to Robert Trevelyan. Enclosing a letter from Charles Ricketts, and discussing the agreement over ' The Bride of Dionysus' . Typescript signed.